Improve Lexer::getImmediateMacroName to take into account inner macros
of macro arguments.

For "MAC1( MAC2(foo) )" and location of 'foo' token it would return
"MAC1" instead of "MAC2".

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148704 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed